Alert archive / Texas / Mesoscale Discussions in 2016

Mesoscale Discussion 559

May 8, 201642 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 8, 2016, 5:39 PM CDT for 42 counties in Texas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
May 8, 2016, 5:39 PM CDT (22:39 UTC)
Expired
May 8, 2016, 7:45 PM CDT
In force
2 hr
Issued by
the Storm Prediction Center
All 42 counties

Brown County, TX, Callahan County, TX, Coke County, TX, Coleman County, TX, Comanche County, TX, Concho County, TX, Crane County, TX, Crockett County, TX, Eastland County, TX, Erath County, TX, Fisher County, TX, Glasscock County, TX, Haskell County, TX, Hood County, TX, Irion County, TX, Jack County, TX, Jones County, TX, McCulloch County, TX, Menard County, TX, Midland County, TX, Mills County, TX, Mitchell County, TX, Nolan County, TX, Palo Pinto County, TX, Parker County, TX, Pecos County, TX, Reagan County, TX, Runnels County, TX, San Saba County, TX, Schleicher County, TX, Shackelford County, TX, Stephens County, TX, Sterling County, TX, Stonewall County, TX, Sutton County, TX, Taylor County, TX, Terrell County, TX, Throckmorton County, TX, Tom Green County, TX, Upton County, TX, Wise County, TX, Young County, TX

The radar

The San Angelo radar (KSJT), 31 km from the middle of the area, began a volume at 22:42 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 10.7 hours before the alert went out and 145 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Midland Regional, TX at 12:00Z on 2016-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 326 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 12:00Z on 2016-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 279 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
326 J/kg
Mixed-layer CIN
-353 J/kg
Mixed-layer LCL
1537 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
279 m²/s²
0-3 km storm-relative helicity
276 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 8, 12:09 PM CDTMesoscale DiscussionSPCBrown, Callahan, Coke, Coleman, Comanche, Concho and 33 more96 min
May 8, 1:18 PM CDTMesoscale DiscussionSPCArcher, Baylor, Clay, Foard, Hardeman, Jack and 7 more117 min
May 8, 1:42 PM CDTSevere Thunderstorm WatchSPCBrown, Callahan, Coke, Coleman, Comanche, Concho and 31 more7 hr
May 8, 3:04 PM CDTTornado WatchSPCArcher, Baylor, Clay, Foard, Hardeman, Knox and 2 more6 hr

Nearby

Mesoscale Discussions in Texas, 2016Every mesoscale discussion in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.